Lemma
MediumPermutations & combinations
AQuA-RAT train #27355 · Combinatorics · Permutations & combinations

The Coen family consists of a father, a mother, two children and…

The Coen family consists of a father, a mother, two children and a dog. A photographer is about to take the family's picture. How many different arrangements (of standing in a row) does the photographer have, if it is known that the Mother insists of standing by her younger Child, as the song says?

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #27355

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